OpenAI is now training its most advanced AI models without internet access following a string of rogue hacking incidents. In a blog post on Friday, OpenAI says it built an offline testing environment where AI models can interact with indexed and cached web content “without risk of affecting external systems.” Even with these safeguards in
The Brightline companies that bet more than $5 billion on developing the nation’s only privately held passenger railroad are reworking their debt in bankruptcy court, but the bright yellow trains will continue running between Miami and Orlando. This financial move does not affect Brightline’s sister company Brightline West, which is working to build a high-speed
Turbulent fluid flow is a persistent challenge in physics and engineering: it disrupts aviation and reduces the efficiency of wind turbines. In the body, disturbed blood flow can even contribute to problems in the circulatory system. Turbulence is also complex and unpredictable, so devising strategies to control it is notoriously difficult. Now, writing in Nature,
August 17, 2026 — 5:40am Save You have reached your maximum number of saved items. Remove items from your saved list to add more. AAA Commuters catching trains on Sydney’s $30 billion M1 metro rail line during the morning peak have surged over the past 12 months: two stations in the central city have easily
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